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suppose you are given the height of the atmosphere. why cant you use " P = Pinitial + rho*g*h to calculate the atmos...

suppose you are given the height of the atmosphere. why cant you use " P = Pinitial + rho*g*h to calculate the atmospheric pressure

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Answer #1

Hi
First of all we need to understand that in this case while using the aoe equation we use the assumptions that the density is constant.

So we normally use this equation generally for the case of the liquids whose density is constant.
In the case of atmosphere when we go up the density is less because the effect of the gravity decreases thus we can't assume the density to be contant and can't use this equation.
Hope this helps

Feel free to comment in the case of any doubt.
Thank you

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